The relationship between humans and dogs has been going on for thousands of years, but detailed study of our loyal friends is relatively recent.
Therefore, many interesting facts about these animals seem incredibly surprising and unexpected.
For a long time, it was believed that our domestic dog is a "direct descendant" of the wild wolf. But this is not entirely correct, experts explain.
As it turns out, the true ancestor of domestic dogs has already disappeared. This happened several thousand years ago.
However, the wolf and the dog remain related with very similar DNA.
No other animal in the world can give us such love: it has been scientifically proven that a dog truly loves a person.
Various studies have been conducted that have confirmed special reactions specifically to owners. Such relationships cannot be built with other pets.
If you look closely at wolves, they look more aggressive, smart and cunning than their domestic relatives. Many scientists agree that dogs have lost these qualities precisely because of their close friendship with humans.
You have probably noticed that even stray dogs demonstrate friendly behavior and try to make contact with you.
The thing is, they have a special instinct.
He says that being friends with a person will increase his chances of survival.
There are examples of stray dogs that are quite unfriendly. As it turns out, the reason lies in the difficulties of adaptation.
If there is no contact between a puppy and a person during the first months of life, it will no longer be possible to domesticate it.
Earlier we talked about the reasons why some cats are very affectionate .